Answer:
They lie flat when we are warm, and rise when we are cold. The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. For example, if we become too cold, the hair erector muscles contract.
Explanation:
A gametophyte is a multicellular haploid that is formed from the spore. It is true that the life cycle alternates from haploid to diploid.
I'm almost 100% it is the first option
It would be the first choice :)
Because when replicating DNA, this process is called semi-conservative
Hope this helps :)
~His Cookie Monster
